Preface
This chapter is the developer Guide (Dev Guide)/Developing/Tools/monkeyrunner, version Android2.3 r1, translated and reproduced from the translated words: "biAji", original address: "http://article.yeeyan.org/view/37503/164523 ", thanks
Recently, the company researched a project to send an AT command to Modem on the Android platform to obtain or set the information.
I have never worked on an Android project, but based on experience, Android should have a RIL middle layer like
Derive your subclass from Runnable and overload the run () method.
Call View. post (myRunnableObj) to add your Runnable object to the UI thread for running.
Boolean android. view. View. post (Runnable action)
Causes the Runnable to be added to
The event types in android include button events and screen Touch events. Touch events are the basic events of screen Touch events, so it is necessary to have a deep understanding of them.A simple screen Touch action triggers a series of Touch
When we use AsyncTask in Android, it is generally used as the internal class of the Activity. In this way, you can simply update the progress onProgressUpdate and onPostExecute when the execution is complete, and directly operate the interface
Common usage: callback method interface, dynamic binding to upward transformation, constant interface.
Callback method interface:
Java code
Public interface ICallback {
Public void func ();
}
Public class Caller {
ICallback callback;
Public
Trouble writing output: Too writable methods: 65634; max is 65536. By package :( Too many interfaces, broken through. Interface separation required)26 android145 android. accessibilityservice700 android. accounts436 android. animation8 android.
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Development Environment applicable to SDK (Android_SDK_v1.2.jar)Java sdk v5 and aboveAndroid SDK
First, create an Android project based on the Android2.2 Simulator
First, complete the string. xml file.
[Html] Hello World, SmsActivity! text message sender enter the mobile phone number enter the text message content send SMS sent
I will not mention the commonly used SQList writing method. Here, I mainly add a writing method when the database is updated and columns need to be added:
For example, in the user table, add a gender column. The default value is 1, which is male
The following describes the specific application scenarios and methods:
Requirement: An application needs to operate mtd flash, which is a base-level interface operation. libmtd_flash.so is encapsulated for such interfaces,If the application has no
WebView allows you to embed a web browser in the activity. This is useful if your application needs to embed some web content. The following describes how to encode content in a webpage in an activity. 1. Create a new project, WebView. 2. Code in
Animation effects of Animation1. AlphaAnimation: fade-in and fade-out effect[Java]How to Implement the animation effect in the Code: ImageView imageView = (ImageView) findViewById (R. id. imageView1 );AnimationSet animationSet = new AnimationSet
Android. graphics. Bitmap. Config is an enumeration type, which defines four Bitmap formats. At first it was a bit strange. I checked it online and probably specified the reason why the type name is strange.We can see from the name:ALPHA_8: The
Occasionally, you may want to make sure that your application is displayed in either landscape or Landscape mode in a certain direction. For example, you may develop a game that runs only in Landscape mode. In this case, you can write code to force
As the socket server, QT accepts data sent from java. (UTF8 encoding for data transmission)
Qint64len = sock-> bytesAvailable ();
QDebug () QByteArray alldata = sock-> read (len)QTextCodec * utf8codec = QTextCodec: codecForName ("UTF-8 ");QString
A Socket is usually called a "Socket" to describe the IP address and port. It is an abstract representation of the endpoint during network communication. It is worth mentioning that Java provides two types of Socket and ServerSocket in the java.net
I read a lot of articles about AlertDialog and seldom mentioned reuse issues.Generally, a neat call is as follows:
1. Define final flag
[Html]Final int TIME_DIALOG = 1, REPEAT_DIALOG = 2, EVERY_DIALOG = 3,DATE_DIALOG2 = 4;
Final int TIME_DIALOG = 1,
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